Home / 27,859.26-38,445.57-15,283.92

Finding the Fourth Proportional to 27,859.26, 38,445.57 and 15,283.92

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Solution

The fourth proportional to 27,859.26, 38,445.57 and 15,283.92 is: 21,091.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,859.26 : 38,445.57 = 15,283.92 : x
  2. Step 2: Convert to fraction form
    27,859.26/38,445.57 = 15,283.92/x
  3. Step 3: Cross multiply
    27,859.26x = 38,445.57 × 15,283.92
  4. Step 4: Simplify right side
    27,859.26x = 587,599,016.23
  5. Step 5: Solve for x
    x = 587,599,016.23/27,859.26
  6. Step 6: Final answer
    x = 21,091.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.